#!/usr/bin/env bash
set -x
set -euo pipefail

RUN_VALGRIND=0
RUN_COMPUTE_SANITIZER=0

while [ -n "${1:-}" ]; do
   case "$1" in
        "--cpu" )
            RUN_VALGRIND=1
            ;;

        "--gpu" )
            RUN_COMPUTE_SANITIZER=1
            ;;

        *)
            echo "Unknown param : $1"
            exit 1
            ;;
   esac
   shift
done

if [[ "${RUN_VALGRIND}" == "0" && "${RUN_COMPUTE_SANITIZER}" == "0" ]]; then
  echo "Usage: check_memory_errors.sh [--gpu] [--cpu]"
  exit 1
fi

# List the tests into a temporary file
RUSTFLAGS="$RUSTFLAGS" cargo nextest list --cargo-profile "${CARGO_PROFILE}" \
          --features=integer,internal-keycache,gpu-debug,zk-pok -p tfhe &> /tmp/test_list.txt

# Filter the tests to get only the HL and a subset of core crypto ones
TESTS_TO_RUN=$(sed -e $'s/\x1b\[[0-9;]*m//g' < /tmp/test_list.txt | grep -E 'high_level_api::.*gpu.*|core_crypto::.*gpu.*' | grep -v 'array' | grep -v 'modulus_switch' | grep -v '3_3' | grep -v 'noise_distribution' | grep -v 'flip')

if [[ "${RUN_VALGRIND}" == "1" ]]; then
  # Build the tests but don't run them
  RUSTFLAGS="$RUSTFLAGS" cargo test --no-run --profile "${CARGO_PROFILE}" \
    --features=integer,internal-keycache,gpu-debug,zk-pok -p tfhe

  # Find the test executable -> last one to have been modified
  EXECUTABLE=target/release/deps/$(find target/release/deps/ -type f -executable -name "tfhe-*" -printf "%T@ %f\n" |sort -nr|sed 's/^.* //; q;')

  # shellcheck disable=SC2181
  RESULT=0
  while read -r t; do
        [ -z "$t" ] && continue
        echo "Running valgrind on: $t"
        VALGRIND_EXIT=0
        valgrind --leak-check=full --show-leak-kinds=definite "$EXECUTABLE" -- "$t" || VALGRIND_EXIT=$?
        if [[ $VALGRIND_EXIT -ne 0 ]]; then
            RESULT=1
        fi
  done <<< "$TESTS_TO_RUN"
fi

if [[ "${RUN_COMPUTE_SANITIZER}" == "1" ]]; then
  # Build the tests but don't run them
  RUSTFLAGS="$RUSTFLAGS" cargo test --no-run --profile "${CARGO_PROFILE}" \
    --features=integer,internal-keycache,gpu,zk-pok -p tfhe

  # Find the test executable -> last one to have been modified
  EXECUTABLE=target/release/deps/$(find target/release/deps/ -type f -executable -name "tfhe-*" -printf "%T@ %f\n" |sort -nr|sed 's/^.* //; q;')

  RESULT=0
  while read -r t; do
        [ -z "$t" ] && continue
        echo "Running compute-sanitizer on: $t"
        CS_EXIT=0
        compute-sanitizer --tool memcheck --leak-check=full \
            --error-exitcode=1 --target-processes=all \
            "$EXECUTABLE" -- "$t" || CS_EXIT=$?
        if [[ $CS_EXIT -ne 0 ]]; then
            RESULT=1
        fi
    done <<< "$TESTS_TO_RUN"
fi

exit $RESULT
